Application of in-syringe dispersive liquid–liquid microextraction and narrow-bore tube dispersive liquid–liquid microextraction for the determination of trace amounts …

M Rahmani, M Kaykhaii, E Ghasemi… - Journal of …, 2015 - academic.oup.com
Two new simple and effective methods based on dispersive liquid–liquid microextraction
(DLLME) procedure, termed “in-syringe DLLME (IS-DLLME)” and “narrow-bore tube DLLME …

Comparison of air-assisted, vortex-assisted and ultrasound-assisted dispersive liquid–liquid microextraction for the determination of BTEX compounds in water …

M Rahmani, M Kaykhaii, Z Safari, O Ansari, SJ Nasab - Chromatographia, 2017 - Springer
Three new dispersive liquid–liquid microextraction (DLLME) methods, air-assisted (AA-
DLLME), vortex-assisted (VA-DLLME) and ultrasound-assisted (UA-DLLME), were …

Rapid determination of benzene derivatives in water samples by trace volume solvent DLLME prior to GC-FID

CP Diao, CH Wei, CH Feng - Chromatographia, 2012 - Springer
An inexpensive, simple and environmentally friendly method based on dispersive liquid
liquid microextraction (DLLME) for rapid determination of benzene derivatives in water …

Validation and optimization of a liquid-phase microextraction method for trace analysis of BTEX in water samples

H Faraji, M Tajbakhsh, M Helalizadeh - Analytical Methods, 2012 - pubs.rsc.org
Liquid-phase microextraction (LPME) based on solidification of a floating organic micro drop
followed by gas chromatography (flame ionization detection) to pre-concentrate and …

Determination of BTEX compounds by dispersive liquid–liquid microextraction with GC–FID

Y Assadi, F Ahmadi, MRM Hossieni - Chromatographia, 2010 - Springer
Rapid, inexpensive, and efficient sample-preparation by dispersive liquid–liquid
microextraction (DLLME) then gas chromatography with flame ionization detection (GC–FID) …

Modified dispersive liquid-liquid microextraction for pre-concentration of benzene, toluene, ethylbenzene and xylenes prior to their determination by GC

H Faraji, A Feizbakhsh, M Helalizadeh - Microchimica Acta, 2013 - Springer
We have developed a modified method for the extraction and preconcentration of benzene,
toluene, ethylbenzene and xylenes (BTEX) in aqueous samples. It based on dispersive …

Direct solid phase microextraction for the determination of BTEX in water and wastewater

I Valor, C Cortada, JC Moltó - Journal of High Resolution …, 1996 - hero.epa.gov
Abstract BIOSIS COPYRIGHT: BIOL ABS. RRM RESEARCH ARTICLE CHEMISTRY
METHODS TECHNIQUES AND EQUIPMENT BTEX POLLUTANT WASTEWATER LEVEL …

Determination of priority pollutants in aqueous samples by dispersive liquid–liquid microextraction

J Martín, D Camacho-Muñoz, JL Santos, I Aparicio… - Analytica chimica …, 2013 - Elsevier
A dispersive liquid–liquid microextraction (DLLME) method followed by high-performance
liquid chromatography–triple quadrupole mass spectrometry has been developed for the …

Microextraction of BTEX compounds from water samples using olive oil droplets

K Farhadi, R Maleki, R Tahmasebi - Analytical letters, 2010 - Taylor & Francis
A novel, simple, and efficient sample preparation method was developed for microextraction
of benzene, toluene, ethylbenzene, and xylene (BTEX) from water samples before gas …

Separation and determination of benzene, toluene, ethylbenzene and o-xylene compounds in water using directly suspended droplet microextraction coupled with …

A Sarafraz-Yazdi, AH Amiri, Z Es'Haghi - Talanta, 2009 - Elsevier
The directly suspended droplet microextraction (DSDME) technique coupled with the
capillary gas chromatography-flame ionization detector (GC-FID) was used to determine …